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| author | Stefan Agner <stefan.agner@toradex.com> | 2016-03-29 13:02:23 -0700 |
|---|---|---|
| committer | Stefan Agner <stefan.agner@toradex.com> | 2016-03-29 13:02:23 -0700 |
| commit | 1df133c0db64d633bbb9b238aa0e1588e2c5e7d6 (patch) | |
| tree | c68d76907c523e81b5d0e8a924728f9e1aed1844 /fs/btrfs/backref.c | |
| parent | 2b7d39d1a28cb478627fc22fdc8dd77ed89ffe92 (diff) | |
| parent | 62e21959dc6f25c5fce0c1a0934e4a9d982bf99b (diff) | |
Merge tag 'v4.4.5' into toradex_vf_4.4-next
This is the 4.4.5 stable release
Diffstat (limited to 'fs/btrfs/backref.c')
| -rw-r--r-- | fs/btrfs/backref.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/fs/btrfs/backref.c b/fs/btrfs/backref.c index d453d62ab0c6..e2f659dc5745 100644 --- a/fs/btrfs/backref.c +++ b/fs/btrfs/backref.c @@ -1417,7 +1417,8 @@ char *btrfs_ref_to_path(struct btrfs_root *fs_root, struct btrfs_path *path, read_extent_buffer(eb, dest + bytes_left, name_off, name_len); if (eb != eb_in) { - btrfs_tree_read_unlock_blocking(eb); + if (!path->skip_locking) + btrfs_tree_read_unlock_blocking(eb); free_extent_buffer(eb); } ret = btrfs_find_item(fs_root, path, parent, 0, @@ -1437,9 +1438,10 @@ char *btrfs_ref_to_path(struct btrfs_root *fs_root, struct btrfs_path *path, eb = path->nodes[0]; /* make sure we can use eb after releasing the path */ if (eb != eb_in) { - atomic_inc(&eb->refs); - btrfs_tree_read_lock(eb); - btrfs_set_lock_blocking_rw(eb, BTRFS_READ_LOCK); + if (!path->skip_locking) + btrfs_set_lock_blocking_rw(eb, BTRFS_READ_LOCK); + path->nodes[0] = NULL; + path->locks[0] = 0; } btrfs_release_path(path); iref = btrfs_item_ptr(eb, slot, struct btrfs_inode_ref); |